Hi,
I,ve built libsigrok...sigrok-cli and I'm trying to access my
Hantek6022BE.  I'm having mixed success.  I'm wondering if any body
could give me a few pointers on where in the code
(libsigrok/src/hardware/hantek-6xxx/api.c ?) to look, maybe I need to
reset something, or do some cleanup on exit.  Even general pointers on
what might cause this problem would help.

I run the command:

sigrok-cli -l 5 --driver hantek-6xxx --samples 100

The first time it seems to complete successfully.  If I run it again
and I get:

...
sr: [00:00.090638] hwdriver: sr_config_get(): key 30000 (samplerate) sdi 
0x1200c90 cg NULL -> uint64 8000000
sr: [00:00.090721] hantek-6xxx: trigger
sr: [00:00.090753] hantek-6xxx: hantek_6xxx_write_control: 0xe3 0x1
sr: [00:00.095104] hantek-6xxx: Request channel data.
sr: [00:00.095614] hantek-6xxx: data_amount 800
sr: [00:00.095653] hantek-6xxx: Request channel data.
sr: [00:00.099660] hantek-6xxx: Failed to submit transfer: 
LIBUSB_ERROR_NO_DEVICE.

I have to disconnect the USB cable to be able to run the sigrok-cli
command again.  I've tried to force a reload of the firmware to
hopefully reset every thing.  According to the log it loaded the
firmware but, given the timing I don't think it actually reset the
6022.

Thanks.

-- 
"Actually I made up the term "object-oriented", and I can tell you I did not 
have C++ in mind." -- Alan Kay



Brian Beattie<[email protected]> -- www.brian-beattie.com LFS12947


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